# \#fluid **URL:** https://forums.unrealengine.com/tag/fluid/1823.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Simulating an infinite water surface with NiagaraFluids](https://forums.unrealengine.com/t/simulating-an-infinite-water-surface-with-niagarafluids/2638272)
**Author:** [@Horus\_Ray666](https://forums.unrealengine.com/u/Horus_Ray666)\ **Replies:** 4\ **Last updated:** [September 20, 2026, 3:20pm UTC](https://forums.unrealengine.com/t/simulating-an-infinite-water-surface-with-niagarafluids/2638272 "2026-09-20T15:20:00Z")
NiagaraFluids’ ShallowWater offers a promising alternative to buggy and complex water plugins, or third-party plugins or assets that are clunky, expensive, or have performance issues, offering a fast and realistic shallo… --- ## [Niagara fluid does not cast shadows.](https://forums.unrealengine.com/t/niagara-fluid-does-not-cast-shadows/2524278)
**Author:** [@XD\_XD2](https://forums.unrealengine.com/u/XD_XD2)\ **Replies:** 1\ **Last updated:** [July 28, 2026, 8:56pm UTC](https://forums.unrealengine.com/t/niagara-fluid-does-not-cast-shadows/2524278 "2026-07-28T20:56:39Z")
I have enabled volume light on the light source and cast shadows on the fluid actor, but it only casts shadows on itself and not on other actors. What is the problem? --- ## [Alembic importation in Unreal ](https://forums.unrealengine.com/t/alembic-importation-in-unreal/2708649)
**Author:** [@Vaanelle](https://forums.unrealengine.com/u/Vaanelle)\ **Replies:** 8\ **Last updated:** [July 21, 2026, 11:16am UTC](https://forums.unrealengine.com/t/alembic-importation-in-unreal/2708649 "2026-07-21T11:16:43Z")
Hello, I’m having an issue importing Alembic files into my Unreal Engine project. I created a fluid simulation in LiquidGen and exported it as an .abc file. However, I’m unable to import any Alembic file into Unreal, w… --- ## [Water Foam in 3D FLIP System not showing ](https://forums.unrealengine.com/t/water-foam-in-3d-flip-system-not-showing/2698886)
**Author:** [@AshySlashy1998](https://forums.unrealengine.com/u/AshySlashy1998)\ **Replies:** 0\ **Last updated:** [February 10, 2026, 8:26pm UTC](https://forums.unrealengine.com/t/water-foam-in-3d-flip-system-not-showing/2698886 "2026-02-10T20:26:57Z")
Hi, I’ve set up a simple 3D Flip Hose system and it works perfectly, collisions simulated well and all except the foam won’t render for some reason. Have messed with the scalar curve, the lifetime and even the material … --- ## [UE4.26 Water Ripple Doesn't work](https://forums.unrealengine.com/t/ue4-26-water-ripple-doesnt-work/477229)
**Author:** [@xuch2012](https://forums.unrealengine.com/u/xuch2012)\ **Replies:** 7\ **Last updated:** [January 19, 2026, 11:14am UTC](https://forums.unrealengine.com/t/ue4-26-water-ripple-doesnt-work/477229 "2026-01-19T11:14:21Z")
Hi， I made a sandbox game ,the water system of UE4.26 maybe the best choice。but i found the ripple in the scene of \[FluidSim\_Terrain\] doesnot work,and at the same time, there may be some outliers in water surface simulat… --- ## [How do I activate Fluid Simulation in the Electric Dreams Environment?](https://forums.unrealengine.com/t/how-do-i-activate-fluid-simulation-in-the-electric-dreams-environment/1208076)
**Author:** [@K-Shimizu1](https://forums.unrealengine.com/u/K-Shimizu1)\ **Replies:** 2\ **Last updated:** [November 17, 2025, 5:20am UTC](https://forums.unrealengine.com/t/how-do-i-activate-fluid-simulation-in-the-electric-dreams-environment/1208076 "2025-11-17T05:20:06Z")
Hello. I want to see how to made realistic interactive puddle that in the Electric Dreams demo, but I found only planes with puddle water material in the sample project. The documentation says it has Fluid Simulation p… --- ## [Niagara Fluids 2D: Depth Map Collision causing ugly intersections?](https://forums.unrealengine.com/t/niagara-fluids-2d-depth-map-collision-causing-ugly-intersections/2318781)
**Author:** [@Slavq](https://forums.unrealengine.com/u/Slavq)\ **Replies:** 1\ **Last updated:** [September 3, 2025, 3:15pm UTC](https://forums.unrealengine.com/t/niagara-fluids-2d-depth-map-collision-causing-ugly-intersections/2318781 "2025-09-03T15:15:59Z")
Update: It’s not from the plane intersecting the mesh, it’s from Depth Map Collisions! The fluid sim plane doesn’t intersect with this mesh (it’s camera aligned) This is a Niagara Fluid 2D gas sim with Depth Map Collis… --- ## [Niagara Fluid Smoke Looks Sharp in Viewport but Blurry in Render](https://forums.unrealengine.com/t/niagara-fluid-smoke-looks-sharp-in-viewport-but-blurry-in-render/2642494)
**Author:** [@90f5257fa755496dbb62b3afd734de7d](https://forums.unrealengine.com/u/90f5257fa755496dbb62b3afd734de7d)\ **Replies:** 1\ **Last updated:** [August 15, 2025, 8:44pm UTC](https://forums.unrealengine.com/t/niagara-fluid-smoke-looks-sharp-in-viewport-but-blurry-in-render/2642494 "2025-08-15T20:44:53Z")
Hello, I have a question regarding Niagara fluid smoke in Unreal Engine. In the viewport, the smoke looks high-quality, sharp, and clear. However, when rendering, the smoke appears blurry, hazy, and low-quality. T… --- ## [BP\_FluidSim\_01 from Water plugin works only on 0 Z coordinates](https://forums.unrealengine.com/t/bp-fluidsim-01-from-water-plugin-works-only-on-0-z-coordinates/1350933)
**Author:** [@Driver2579](https://forums.unrealengine.com/u/Driver2579)\ **Replies:** 3\ **Last updated:** [April 2, 2025, 10:59am UTC](https://forums.unrealengine.com/t/bp-fluidsim-01-from-water-plugin-works-only-on-0-z-coordinates/1350933 "2025-04-02T10:59:46Z")
I want to create a water with fluid simulation. I found BP\_FluidSim\_01 in Water plugin which works perfectely for me. But it seems it has a bug which don’t allow you to make it work somewhere else than 0 height. Here is… --- ## [Hello im porting FluidSurfaceComponent (from UE3) to UE5, but does not render anything except debug, help me to fix it.](https://forums.unrealengine.com/t/hello-im-porting-fluidsurfacecomponent-from-ue3-to-ue5-but-does-not-render-anything-except-debug-help-me-to-fix-it/2418604)
**Author:** [@penguin2199](https://forums.unrealengine.com/u/penguin2199)\ **Replies:** 1\ **Last updated:** [March 26, 2025, 11:47am UTC](https://forums.unrealengine.com/t/hello-im-porting-fluidsurfacecomponent-from-ue3-to-ue5-but-does-not-render-anything-except-debug-help-me-to-fix-it/2418604 "2025-03-26T11:47:39Z")
Hello im doing a project plugin for a game where im porting UE3 code from FluidSurfaceComponent to UE5, but i have an couple of weeks to find a fix why my fluid surface doesn’t render anything. I am doing with a custom … --- ## [Connection between my Meshes leaks with Niagara Fluid Plugin](https://forums.unrealengine.com/t/connection-between-my-meshes-leaks-with-niagara-fluid-plugin/1208067)
**Author:** [@Das\_Biest\_3000](https://forums.unrealengine.com/u/Das_Biest_3000)\ **Replies:** 2\ **Last updated:** [January 7, 2025, 9:43pm UTC](https://forums.unrealengine.com/t/connection-between-my-meshes-leaks-with-niagara-fluid-plugin/1208067 "2025-01-07T21:43:26Z")
Hi there, I’ve got a big problem, my static meshes are leaky when the Niagara fluid flows over them. The MDF is nearly perfect, but I cant understand why they leak, especially on the edges where the connection between … --- ## [Niagara Fluids collision not working properly unreal engine 5.3.2](https://forums.unrealengine.com/t/niagara-fluids-collision-not-working-properly-unreal-engine-5-3-2/1991565)
**Author:** [@flame\_eg](https://forums.unrealengine.com/u/flame_eg)\ **Replies:** 2\ **Last updated:** [September 21, 2024, 10:41pm UTC](https://forums.unrealengine.com/t/niagara-fluids-collision-not-working-properly-unreal-engine-5-3-2/1991565 "2024-09-21T22:41:20Z")
Hello! I encountered a problem with niagara fluids, that i couldnt resolve even after i spent hours trying to fix it, and i really need help with it. So i have a niagara fluid system, that should collide with environmen… --- ## [CFD Simulations - OpenFOAM to Unreal Engine](https://forums.unrealengine.com/t/cfd-simulations-openfoam-to-unreal-engine/1304888)
**Author:** [@CROSE48](https://forums.unrealengine.com/u/CROSE48)\ **Replies:** 5\ **Last updated:** [June 21, 2024, 9:51pm UTC](https://forums.unrealengine.com/t/cfd-simulations-openfoam-to-unreal-engine/1304888 "2024-06-21T21:51:39Z")
Hi, I’m looking at the possiblities to export CFD simulations from OpenFOAM software into Unreal Engine. I understand as of UE 5.3 it now supports OpenVDB file format but I don’t think it’s possible to export / save to… --- ## [Niagara fluid particles not visible unless they're at world origin](https://forums.unrealengine.com/t/niagara-fluid-particles-not-visible-unless-theyre-at-world-origin/1838952)
**Author:** [@updie](https://forums.unrealengine.com/u/updie)\ **Replies:** 1\ **Last updated:** [May 7, 2024, 4:27pm UTC](https://forums.unrealengine.com/t/niagara-fluid-particles-not-visible-unless-theyre-at-world-origin/1838952 "2024-05-07T16:27:47Z")
Hey all. I’m experimenting with the fluid particles plugin, trying to make a sort of vortex/cloud effect. In the niagara editor it works and looks normal, but when I drag it into my level, it doesn’t show up unless I pl… --- ## [How can we simulate water movement in flow maps?](https://forums.unrealengine.com/t/how-can-we-simulate-water-movement-in-flow-maps/1747769)
**Author:** [@dabbbbbbbb5656](https://forums.unrealengine.com/u/dabbbbbbbb5656)\ **Replies:** 6\ **Last updated:** [March 14, 2024, 12:52pm UTC](https://forums.unrealengine.com/t/how-can-we-simulate-water-movement-in-flow-maps/1747769 "2024-03-14T12:52:24Z")
The blue area (which is filled with a blue texture) has been added to this terrain using a flow map. To be able to add water to that part or make the blue texture move and simulate water movement, what can be done? A… --- ## [Niagara Fluids Plugin, discontinuous flow behavior with inclined MDF](https://forums.unrealengine.com/t/niagara-fluids-plugin-discontinuous-flow-behavior-with-inclined-mdf/1686605)
**Author:** [@Das\_Biest\_3000](https://forums.unrealengine.com/u/Das_Biest_3000)\ **Replies:** 0\ **Last updated:** [February 13, 2024, 6:15pm UTC](https://forums.unrealengine.com/t/niagara-fluids-plugin-discontinuous-flow-behavior-with-inclined-mdf/1686605 "2024-02-13T18:15:26Z")
Hi, I have a problem with the flow behavior of the Niagara Fluids plugin when using tilted static meshes. I’ve set the MDF (Mesh Distance Field) Distance Field Resolution Scale to 100 and in the project settings, I’ve a… --- ## [Niagara Plugin doesn't work with solped faces](https://forums.unrealengine.com/t/niagara-plugin-doesnt-work-with-solped-faces/1182449)
**Author:** [@Das\_Biest\_3000](https://forums.unrealengine.com/u/Das_Biest_3000)\ **Replies:** 7\ **Last updated:** [July 6, 2023, 4:22pm UTC](https://forums.unrealengine.com/t/niagara-plugin-doesnt-work-with-solped-faces/1182449 "2023-07-06T16:22:18Z")
Hi, i have a problem with the Niagara Plugin. In my case the fluid doesn’t flows correctly down a sloped face. I can not figure it out why the fluid dont accept the collision of my mesh correctly. I used the default T… --- ## [How to prevent "world grid extents" from scaling Niagara fluid particles?](https://forums.unrealengine.com/t/how-to-prevent-world-grid-extents-from-scaling-niagara-fluid-particles/1219769)
**Author:** [@lehuan5062](https://forums.unrealengine.com/u/lehuan5062)\ **Replies:** 1\ **Last updated:** [July 5, 2023, 10:49am UTC](https://forums.unrealengine.com/t/how-to-prevent-world-grid-extents-from-scaling-niagara-fluid-particles/1219769 "2023-07-05T10:49:14Z")
Hello, I’m trying to use a built-in Niagara fluid template called “Grid 3D FLIP Pool” (right click in Content Browser \> Niagara System \> New system from a template… \> Grid 3D FLIP Pool). To enlarge the system in the lev… --- ## [Niagara 3D Fluid broke simulation between 2 static meshes](https://forums.unrealengine.com/t/niagara-3d-fluid-broke-simulation-between-2-static-meshes/1199463)
**Author:** [@Das\_Biest\_3000](https://forums.unrealengine.com/u/Das_Biest_3000)\ **Replies:** 0\ **Last updated:** [June 14, 2023, 10:27pm UTC](https://forums.unrealengine.com/t/niagara-3d-fluid-broke-simulation-between-2-static-meshes/1199463 "2023-06-14T22:27:56Z")
Hi, I have a big problem with my own imported meshes from blender. I tried to use them with the niagara fluid plugin, but they work only when i dont combine them. If I reduce the distance between the 2 meshes, the n… --- ## [Niagara Liquid simulation - mesh distance field compile error](https://forums.unrealengine.com/t/niagara-liquid-simulation-mesh-distance-field-compile-error/595838)
**Author:** [@ManulaAtapattu](https://forums.unrealengine.com/u/ManulaAtapattu)\ **Replies:** 4\ **Last updated:** [May 19, 2023, 1:09am UTC](https://forums.unrealengine.com/t/niagara-liquid-simulation-mesh-distance-field-compile-error/595838 "2023-05-19T01:09:12Z")
I enabled the Niagara fluid plugin and create Niagara systems using the Grid\_3D\_Flip\_Hose and Grid\_3D\_Flip\_Pool. When I drag the Niagara system into the editor it works fine in the viewport. But when I open the Niagara e… --- ## [Is it possible to adjust the temperature and density of fluids in Unreal Engine 4 or 5?](https://forums.unrealengine.com/t/is-it-possible-to-adjust-the-temperature-and-density-of-fluids-in-unreal-engine-4-or-5/853102)
**Author:** [@i.am.yohan](https://forums.unrealengine.com/u/i.am.yohan)\ **Replies:** 0\ **Last updated:** [April 5, 2023, 4:59pm UTC](https://forums.unrealengine.com/t/is-it-possible-to-adjust-the-temperature-and-density-of-fluids-in-unreal-engine-4-or-5/853102 "2023-04-05T16:59:18Z")
Hello. I am trying to create an Earth science simulation, specifically on the topic of thermohaline circulation in the ocean where warm and cold water meet and cause a phenomenon. I understand that I need to use fluid si… --- ## [Niagara Fluid : Grid 2D SW Drop (template) : How to delay the start of the simulation?](https://forums.unrealengine.com/t/niagara-fluid-grid-2d-sw-drop-template-how-to-delay-the-start-of-the-simulation/833439)
**Author:** [@Pantsman](https://forums.unrealengine.com/u/Pantsman)\ **Replies:** 1\ **Last updated:** [March 30, 2023, 7:28am UTC](https://forums.unrealengine.com/t/niagara-fluid-grid-2d-sw-drop-template-how-to-delay-the-start-of-the-simulation/833439 "2023-03-30T07:28:03Z")
About Grid 2D SW Drop, which is a Niagara Fluid template(Shallow Water category) This template is a simulation of water dripping. I want to shift the start timing of the simulation backwards, at first it is quiet and a… --- ## [How to import fluid animation 100% prebaked](https://forums.unrealengine.com/t/how-to-import-fluid-animation-100-prebaked/330063)
**Author:** [@77120](https://forums.unrealengine.com/u/77120)\ **Replies:** 3\ **Last updated:** [January 24, 2023, 6:00pm UTC](https://forums.unrealengine.com/t/how-to-import-fluid-animation-100-prebaked/330063 "2023-01-24T18:00:39Z")
I want to have a object lift out of water and have the water drop(drips) from the object, and doesnt need to be interact with, so it may be 100% prebaked. so i did make the animation in blender, but i cant seem to corre… --- ## [Niagara fluid collisions](https://forums.unrealengine.com/t/niagara-fluid-collisions/538514)
**Author:** [@andrei\_oo9](https://forums.unrealengine.com/u/andrei_oo9)\ **Replies:** 0\ **Last updated:** [April 24, 2022, 4:41pm UTC](https://forums.unrealengine.com/t/niagara-fluid-collisions/538514 "2022-04-24T16:41:47Z")
Hey, I have couple of questions regarding the new fluid simulation particles: The collision does not seam to work properly with actors, for example using a cube (Engine/BasicShapes/Cube) as StaticMeshActor and setting … --- ## [Real-time Fluid Simulation On a large scale](https://forums.unrealengine.com/t/real-time-fluid-simulation-on-a-large-scale/490893)
**Author:** [@mblackmer](https://forums.unrealengine.com/u/mblackmer)\ **Replies:** 0\ **Last updated:** [November 13, 2021, 4:20pm UTC](https://forums.unrealengine.com/t/real-time-fluid-simulation-on-a-large-scale/490893 "2021-11-13T16:20:26Z")
Check out this paper: https://core.ac.uk/reader/212151310 Could this method possibly be a solution for rendering large scale, real-time fluids? Oceans? Rivers? etc.? I’m going to dig into it a bit myself, but I though… --- ## [Hello. How can I use a fluid o wrap around an object using blueprint . For example using a mobile game you can take the fluid and wrap it around your object and it will remain on the creating a fluid sheald around it](https://forums.unrealengine.com/t/hello-how-can-i-use-a-fluid-o-wrap-around-an-object-using-blueprint-for-example-using-a-mobile-game-you-can-take-the-fluid-and-wrap-it-around-your-object-and-it-will-remain-on-the-creating-a-fluid-sheald-around-it/490423)
**Author:** [@Baxirant](https://forums.unrealengine.com/u/Baxirant)\ **Replies:** 0\ **Last updated:** [October 30, 2021, 11:51am UTC](https://forums.unrealengine.com/t/hello-how-can-i-use-a-fluid-o-wrap-around-an-object-using-blueprint-for-example-using-a-mobile-game-you-can-take-the-fluid-and-wrap-it-around-your-object-and-it-will-remain-on-the-creating-a-fluid-sheald-around-it/490423 "2021-10-30T11:51:33Z")
Hello. How can I use a fluid o wrap around an object using blueprint . For example using a mobile game you can take the fluid and wrap it around your object and it will remain on the creating a fluid sheald around it --- ## [Smoothed-particle Hydrodynamics in Niagara](https://forums.unrealengine.com/t/smoothed-particle-hydrodynamics-in-niagara/481743)
**Author:** [@Bob3DGames](https://forums.unrealengine.com/u/Bob3DGames)\ **Replies:** 24\ **Last updated:** [June 21, 2021, 10:55am UTC](https://forums.unrealengine.com/t/smoothed-particle-hydrodynamics-in-niagara/481743 "2021-06-21T10:55:02Z")
Edit, 6th June 2021: I have this working pretty well now. It was mostly an enormous amount of trial and error with the constants, with a little help from an Excel spreadsheet I made to visualise the smoothing kernels. Th… --- ## [Which Nvidia technologies are integrated into UE4?](https://forums.unrealengine.com/t/which-nvidia-technologies-are-integrated-into-ue4/279577)
**Author:** [@TheIdesofMay\_1](https://forums.unrealengine.com/u/TheIdesofMay_1)\ **Replies:** 3\ **Last updated:** [May 20, 2021, 12:45pm UTC](https://forums.unrealengine.com/t/which-nvidia-technologies-are-integrated-into-ue4/279577 "2021-05-20T12:45:08Z")
As you may know, UE4 was advertised to have Nvidia PhysX implemented directly into the engine. Nvidia themselves are also releasing new technology: namely Nvidia GameWorks - Fire Demo, NVIDIA GTC 2014 - YouTube My ques… --- ## [Importing Fire Dynamic Simulator to UE4](https://forums.unrealengine.com/t/importing-fire-dynamic-simulator-to-ue4/427129)
**Author:** [@anonymous\_user\_509479a4](https://forums.unrealengine.com/u/anonymous_user_509479a4)\ **Replies:** 1\ **Last updated:** [May 14, 2021, 11:15pm UTC](https://forums.unrealengine.com/t/importing-fire-dynamic-simulator-to-ue4/427129 "2021-05-14T23:15:29Z")
I am new to Unreal Engine and I am working on a Virtual Fire Drill Environment. To create an accurate depiction of fire growth and smoke behavior, I wanted to use a third party FDS software. Is there any way to Import th… --- ## [How to Create Fluid Like RealFlow](https://forums.unrealengine.com/t/how-to-create-fluid-like-realflow/479071)
**Author:** [@Adberf](https://forums.unrealengine.com/u/Adberf)\ **Replies:** 1\ **Last updated:** [February 20, 2021, 6:25pm UTC](https://forums.unrealengine.com/t/how-to-create-fluid-like-realflow/479071 "2021-02-20T18:25:48Z")
Hello guys, I am looking for a way to create a scene like this using UE. Are there any suggestions? I tried figuring it out using Niagara but couldn’t find a solution. In general, I find working with fluid extremely dif… [Next page](https://forums.unrealengine.com/tag/fluid/1823.md?match_all_tags=true&page=1&tags%5B%5D=fluid)